please help solve the b) parts of the questions. The table below gives the per-pupil expenditures (in thousands of dollars) and their frequencies for the 50 states and the District of Columbia.Expenditure($ thousands)Frequency1-34-667-92810-121413-15(a) Display these data with a frequency histogram.30302828TT25252020Frequency 15Frequency 151410106551-34-67-910-12 13-151-34-67-910-12 13-15Expenditure ($ thousands)Expenditure ($ thousands)3030282825252020Frequency 1514Frequency 15141010665-5-3.1-34-67-910-12 13-151-34-67-910-12 13-15Expenditure ($ thous ands)Expenditure ($ thousands)(b) Find the mean per-pupil expenditure. (Round your answer to two decimal places.)28x thousand dollars The table gives the unemployment rates for civilian workers in a country for selected years 1960–2013.Year196019701980199020002010201120122013Unemployment rate5.64.87.15.54.09.89.18.38.0(a) Display these data with a bar graph.PercentPercentPercentA bar graph with 9 class labels along the horizontal axis isGV ontal axis is in years. The vertical axis islabeled: Percent Unemployed.UnemployedUnemployed1010Vertical rectangles are drawn centered ove the respective dlasslabels8Moving left to right, information about the rectangles(beginning with class label) is listed below.886• 1960: 5.6 units tall• 1970: 4.8 units tall• 1980: 7.1 units tall• 1990: 5.5 units tall• 2000: 4 units tall• 2010: 9.8 units tall442011: 8.3 units tall• 2012: 8 units tall1960 1970180 1990 2000 2010 2011 2012 2013• 2013: 9.1 units tall1960 1970 1980 1990 2000 2010 2011 2012 20131960 1970 1980 1990 2000 2010 2011 2012 2013PercentUnemployed10841960 1970 1980 1990 2000 2010 2011 2012 2013(b) Summarize the data by finding the mean and standard deviation of the unemployment rate. (Round your answers to two decimal places.)meanstandard deviation

To compute standard deviation first find the standard variance and then take the square root of the…

The table below gives the per-pupil expenditures (in thousands of dollars) and their frequencies for the 50 states and the District of Columbia. Expenditure ($ thousands) Frequency 1-3 4-6 7-9 28 10-12 14 13-15 (a) Display these data with a frequency histogram. 30 30 28 28 25 25 20 20 Frequency 15 14 Frequency 15 14 10 10 6 5 1-3 4-6 7-9 10-12 13–15 1-3 4-6 7-9 10-12 13-15 Expenditure ($ thousands) Expenditure ($ thousands) 30 30 28 28 25 25 20 20 Frequency 15 14 Frequency 15 14 10 10 6 6. 1-3 4-6 7-9 10-12 13-15 1-3 4-6 7-9 10-12 13-15 Expenditure ($ thousands) Expenditure ($ thous ands) (b) Find the mean per-pupil expenditure. (Round your answer to two decimal places.) 28 x thousand dollars

The table below gives the per-pupil expenditures (in thousands of dollars) and their frequencies for the 50 states and the District of Columbia. Expenditure ($ thousands) Frequency 1-3 4-6 7-9 28 10-12 14 13-15 (a) Display these data with a frequency histogram. 30 30 28 28 25 25 20 20 Frequency 15 14 Frequency 15 14 10 10 6 5 1-3 4-6 7-9 10-12 13–15 1-3 4-6 7-9 10-12 13-15 Expenditure ($ thousands) Expenditure ($ thousands) 30 30 28 28 25 25 20 20 Frequency 15 14 Frequency 15 14 10 10 6 6. 1-3 4-6 7-9 10-12 13-15 1-3 4-6 7-9 10-12 13-15 Expenditure ($ thousands) Expenditure ($ thous ands) (b) Find the mean per-pupil expenditure. (Round your answer to two decimal places.) 28 x thousand dollars

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.

Question

please help solve the b) parts of the questions.

The table below gives the per-pupil expenditures (in thousands of dollars) and their frequencies for the 50 states and the District of Columbia.
Expenditure
($ thousands)
Frequency
1-3
4-6
6
7-9
28
10-12
14
13-15
(a) Display these data with a frequency histogram.
30
30
28
28
TT
25
25
20
20
Frequency 15
Frequency 15
14
10
10
6
5
5
1-3
4-6
7-9
10-12 13-15
1-3
4-6
7-9
10-12 13-15
Expenditure ($ thousands)
Expenditure ($ thousands)
30
30
28
28
25
25
20
20
Frequency 15
14
Frequency 15
14
10
10
6
6
5-
5-
3.
1-3
4-6
7-9
10-12 13-15
1-3
4-6
7-9
10-12 13-15
Expenditure ($ thous ands)
Expenditure ($ thousands)
(b) Find the mean per-pupil expenditure. (Round your answer to two decimal places.)
28
x thousand dollars

The table gives the unemployment rates for civilian workers in a country for selected years 1960–2013.
Year
1960
1970
1980
1990
2000
2010
2011
2012
2013
Unemployment rate
5.6
4.8
7.1
5.5
4.0
9.8
9.1
8.3
8.0
(a) Display these data with a bar graph.
Percent
Percent
Percent
A bar graph with 9 class labels along the horizontal axis is
GV ontal axis is in years. The vertical axis is
labeled: Percent Unemployed.
Unemployed
Unemployed
10
10
Vertical rectangles are drawn centered ove the respective dlass
labels8Moving left to right, information about the rectangles
(beginning with class label) is listed below.
8
8
6
• 1960: 5.6 units tall
• 1970: 4.8 units tall
• 1980: 7.1 units tall
• 1990: 5.5 units tall
• 2000: 4 units tall
• 2010: 9.8 units tall
4
4
2011: 8.3 units tall
• 2012: 8 units tall
1960 1970180 1990 2000 2010 2011 2012 2013
• 2013: 9.1 units tall
1960 1970 1980 1990 2000 2010 2011 2012 2013
1960 1970 1980 1990 2000 2010 2011 2012 2013
Percent
Unemployed
10
8
4
1960 1970 1980 1990 2000 2010 2011 2012 2013
(b) Summarize the data by finding the mean and standard deviation of the unemployment rate. (Round your answers to two decimal places.)
mean
standard deviation

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